I use this this adapter to route to my 58inch 4K LED tv, as a kind of update from the cheap dongle type found here also. Let me just say this adapter is superior in every way. Its not going to make it a higher resolution for you, but in terms of the signal being received its the cleanest solution I have ever used. If your TV has native upscaling for interlaced and progressive signals then you're in for a treat.
On a nerdier note, i use this in my streaming setup. I run this adapter into an MClassic upscaler, and when i force a PS2 game to display in 480p via hacked console, i can get up to 1440p on my monitor which looks absolutely fantastic. Though thats a very fiddly process that wont be for everyone, it proves that even on the extreme hobbyist end, this is a highly recommended piece of kit.